FLASH: A finite element computer code for variably saturated flow

Abstract

A nwnerical model was developed for _,,e in performance assessment studies at the INEL. The numerical mode_ referred to as the FLASH computer code, is designed to simulate two.dimensional fluid flow in fractured.porous media. The code is specifically designed to model variably saturated flow in an arid site vadose zone and saturaled flow in an unconfined aquifer. In addition, the code also has tt, le capability to simulate heat conduction in the vadose zone. This report presents the following.'

Composite analysis E-area vaults and saltstone disposal facilities

“…The hypothetical test problems were formulated to be representative of typical waste sites with realistic hydrogeologic settings. The PORFLOW code has been benchmark tested against such codes as TRACR3D (Travis 1985), FEMWATER (Yeh and Ward 1979), SUTRA (Voss 1984), and FLASH paca and Magnuson 1992). Results of benchmark of Version 2.5 are documented in ACRI (1994).…”